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Finding the Fourth Proportional to 706,348.68, 974,734.31 and 384,059.04

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Solution

The fourth proportional to 706,348.68, 974,734.31 and 384,059.04 is: 529,986.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,348.68 : 974,734.31 = 384,059.04 : x
  2. Step 2: Convert to fraction form
    706,348.68/974,734.31 = 384,059.04/x
  3. Step 3: Cross multiply
    706,348.68x = 974,734.31 × 384,059.04
  4. Step 4: Simplify right side
    706,348.68x = 374,355,521,433.37
  5. Step 5: Solve for x
    x = 374,355,521,433.37/706,348.68
  6. Step 6: Final answer
    x = 529,986.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.